Re: [Freemind-developer] Slow scrolling

[Dimitry P. <dpo...@gm...>]

Dear Chris,

only if you had sent me your laptop I could make measurements on it. The 
problem can be coursed by different operational system, different java 
version an so on. So I only can encourage you to profile yourself. 
Yourkit works like a charm, it is a great pleasure to use it.

Regards,
Dimitry

> Dear Dimitry,
> 
> with good old by hand profiling (using System.currentTimeMillis to
> measure the time java spends inside paint in MapView) like in 0.8.1:
>         public void paint(Graphics g) {
>             long startMilli = System.currentTimeMillis();
>             super.paint(g);
>             logger.info("End paint in
> "+(System.currentTimeMillis()-startMilli));
>         }
> and similar in 0.9.0Beta20, starting the app and moving the map around
> for some seconds, I got the following mean times inside paint as follows:
> 
> 0.9.0 wtih Link        0.9.0 without Link        0.8.1
> 361,07                  328,77                     70,29
> 
> I tried to remove the LinkRegistryAdapter function, you suspected to
> cause a lot of time.
> We see, that in average, it only increases the time by 10%.
> But it is still nearly factor 5 slower than in 0.8.1.
> You are lucky that your computer is sufficiently fast, but on my poor
> laptop, this is *very* obvious, that 0.9 is much slower.
> I thought, that you perhaps can find the cause behind this.
> 
> Thanks for your attention,
> 
> Chris
> 
> 
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